How To Fix /IWBEP/MC_SB_DPC_USR002 - RFC call ended with "Communication Failure" exception

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/MC_SB_DPC_USR -

• Message number: 002

• Message text: RFC call ended with "Communication Failure" exception

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/MC_SB_DPC_USR002 - RFC call ended with "Communication Failure" exception ?

  The SAP error message /IWBEP/MC_SB_DPC_USR002 RFC call ended with "Communication Failure" typically indicates that there is a problem with the communication between the SAP system and the backend system during an OData service call. This can occur for various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP Gateway and the backend system.
  Backend System Down: The backend system (e.g., an SAP ERP or S/4HANA system) may be down or not reachable.
  Configuration Issues: Incorrect configuration of the RFC destination or the OData service in the SAP Gateway.
  Timeouts: The request may be timing out due to long processing times or heavy load on the backend system.
  Authorization Issues: The user may not have the necessary authorizations to access the backend system or the OData service.
  Service Activation: The OData service may not be properly activated in the SAP Gateway or the backend system.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP Gateway and the backend system is stable and functioning. You can use tools like ping or traceroute to diagnose network issues.
  Verify Backend System Status: Check if the backend system is up and running. You can log into the backend system to confirm its availability.
  Review RFC Destination: Go to transaction SM59 in the SAP Gateway system and check the configuration of the RFC destination pointing to the backend system. Test the connection to ensure it is working correctly.
  Increase Timeout Settings: If the request is timing out, consider increasing the timeout settings in the RFC destination configuration.
  Check Authorizations: Ensure that the user making the OData call has the necessary authorizations in both the SAP Gateway and the backend system.
  Activate OData Service: Use transaction /IWFND/MAINT_SERVICE to check if the OData service is activated in the SAP Gateway. If not, activate it.
  Check Logs: Review the application logs in transaction SLG1 for any additional error messages that may provide more context about the failure.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may address specific issues related to the error message. You can search for notes in the SAP Support Portal.
  Transaction Codes:
  
  SM59: RFC Destinations
  SLG1: Application Log
  /IWFND/MAINT_SERVICE: OData Service Maintenance
  
  
  Monitoring Tools: Use transaction ST22 to check for dumps that may have occurred during the RFC call, and SM21 for system logs.
  
  By following these steps, you should be able to diagnose and resolve the communication failure error in SAP. If the issue persists, consider reaching out to your SAP Basis team or SAP support for further assistance.